QUIZ: Care of Airside Economizers to Realize Free Cooling Benefits

1) Airside economizer systems typically work best for*
- A. smaller buildings in cooler climates.
- B. larger buildings in cooler climates.
- C. smaller buildings in hotter climates.
- D. larger buildings in hotter climates.
2) Rule of thumb, you should consider blanking off some of your return air dampers when, at 100% open, air velocity is*
- A. more than 1,500 fpm
- B. less than 1,500 fpm
- C. exactly 3,000 fpm
- D. less than 1,500 mph
3) Payback on commissioning of an existing building’s airside economizer system is usually*
- A. less than five years.
- B. more than two years.
- C. less than one year.
- D. less than one month.
4) Sensors play an important role in proper operation of airside economizer systems. Which of the following is the best location for a sensor?*
- A. No direct sun, not too close to outlets.
- B. Direct sun, not too close to outlets.
- C. No direct sun, close to outlets.
- D. Direct sun, close to outlets.
5) Airside economizer systems help to improve*
- A. indoor air quality.
- B. indoor lighting quality.
- C. energy cost savings.
- D. A & C
6) Cycling your dampers periodically will catch problem issues such as*
- A. stuck dampers.
- B. broken linkages.
- C. proper BAS (building automation systems) command operation settings.
- D. all of the above
7) Your BAS trend data’s X-Y scatter plots are*
- A. a good way to pinpoint the problem with an airside economizer system.
- B. a good way to see if a problem exists with an airside economizer system.
- C. not useful for airside economizer system evaluations.
- D. very confusing to analyze.
8) Worn blade and jamb seals can produce leakage of as much as _____ of rated damper airflow.*
- A. 5%
- B. 10%
- C. 25%
- D. 30%
9) It is best to operate the integrated HVAC and airside economizer systems in full (100% outside air) mode when*
- A. outside air conditions are slightly warmer than inside air conditions.
- B. outside air conditions are much warmer than inside air conditions.
- C. outside air conditions are slightly cooler than inside air conditions.
- D. outside air conditions are colder than inside air conditions.
10) The operating mode of airside economizer systems are*
- A. heating
- B. economizer cooling
- C. integrated economizer and mechanical cooling
- D. mechanical cooling and minimum outside air
- E. all of the above
11) BONUS Question: What topics are you interested in reading about in future issues of the BOC Bulletin? Check your top 3 picks.
- Practical alternative energy sources
- Projects BOC graduates are doing in their buildings
- Technical updates in lighting
- Technical updates in HVAC systems
- Technical updates in building controls
- Technical updates for water conservation
- Industry trends in facilities management
12) BONUS Question: What do you consider to be the most helpful resources for information about building operation and maintenance technologies and practices? (e.g., websites, magazines, associations, vendors, etc.) List your two favorite resources.
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QUIZ: Care of Airside Economizers to Realize Free Cooling Benefits

QUIZ: Care of Airside Economizers to Realize Free Cooling Benefits

Your Information